The aim of this study is to research the relationship between the telecommunication infrastructure and economic growth for countries which have different income levels. Along with this purpose, the data collected from 138 countries at total in five different income groups is used with covering the period of the years 1991-2009. As a method, the dynamic panel data analysis which composes the facilities of the cross sectional analysis and the time series analysis is used. The findings indicate that the information and telecommunication technologies are statistically positive and significant determinants of growth for all income groups except for the high income non-OECD group. This positive effect is higher in the low income groups.

Keywords:Information and Telecommunication Technologies, Growth, Information Society, Panel Data Analysis.